use super::super::common::test_service_with_external_references;
use super::*;
use axum::{Router, routing::get};
use std::sync::{
    Arc,
    atomic::{AtomicUsize, Ordering},
};

#[tokio::test]
#[serial]
async fn external_relative_chain_survives_reversed_builder_order_and_apply_never_refetches() {
    let fetches = Arc::new(AtomicUsize::new(0));
    let root_fetches = Arc::clone(&fetches);
    let child_fetches = Arc::clone(&fetches);
    let app = Router::new()
        .route(
            "/root.yaml",
            get(move || {
                let fetches = Arc::clone(&root_fetches);
                async move {
                    fetches.fetch_add(1, Ordering::SeqCst);
                    "Item: { $ref: './child.yaml#/Item' }"
                }
            }),
        )
        .route(
            "/child.yaml",
            get(move || {
                let fetches = Arc::clone(&child_fetches);
                async move {
                    fetches.fetch_add(1, Ordering::SeqCst);
                    "Item: { type: object, required: [id], properties: { id: { type: string } } }"
                }
            }),
        );
    let listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap();
    let address = listener.local_addr().unwrap();
    tokio::spawn(async move { axum::serve(listener, app).await.unwrap() });
    let origin = format!("http://{address}");

    let registry = test_registry().await;
    let service = test_service_with_external_references(
        registry.clone(),
        test_storage_root("openapi_import_external_snapshot"),
        vec![format!("{origin}/")],
    );
    let workspace_id = WorkspaceId::new("ws_default");
    let upload = OpenApiUpload {
        bytes: format!(
            r#"
openapi: 3.1.0
info: {{ title: External }}
servers: [{{ url: https://api.example.test }}]
paths:
  /items:
    get:
      operationId: listItems
      responses:
        '200':
          description: ok
          content:
            application/json:
              schema: {{ $ref: '{origin}/root.yaml#/Item' }}
"#
        )
        .into_bytes(),
        mime_type: "application/yaml".to_owned(),
        locale: OpenApiUploadLocale::En,
    };
    let preview = service
        .preview_openapi_import(&workspace_id, upload)
        .await
        .unwrap();
    assert_eq!(fetches.load(Ordering::SeqCst), 2);
    assert_eq!(preview.preview.groups[0].operations[0].output_fields, 1);
    let job = registry
        .get_import_job(&workspace_id, &preview.job_id.as_str().into())
        .await
        .unwrap()
        .unwrap();
    assert_eq!(
        job.preview_payload["dependencies"]
            .as_array()
            .unwrap()
            .len(),
        2
    );
    assert_eq!(
        job.preview_payload["dependency_snapshots"]
            .as_array()
            .unwrap()
            .len(),
        2
    );

    let applied = service
        .create_openapi_import(
            &workspace_id,
            &preview.job_id.as_str().into(),
            OpenApiImportCreatePayload {
                selected_operation_keys: vec!["GET /items".to_owned()],
                server_url: None,
                conflict_mode: "skip".to_owned(),
            },
        )
        .await
        .unwrap();
    assert_eq!(applied.created.len(), 1);
    assert_eq!(fetches.load(Ordering::SeqCst), 2);
    let active_sources: i64 = sqlx::query_scalar(
        "select count(*) from artifact_sources
          where source_id like 'src_openapi_%' and lifecycle = 'active'",
    )
    .fetch_one(registry.pool())
    .await
    .unwrap();
    assert_eq!(active_sources, 0);
}

#[tokio::test]
#[serial]
async fn missing_external_snapshot_fails_closed_before_draft_mutation() {
    let app = Router::new().route(
        "/schemas.yaml",
        get(|| async { "Item: { type: object, properties: { id: { type: string } } }" }),
    );
    let listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap();
    let address = listener.local_addr().unwrap();
    tokio::spawn(async move { axum::serve(listener, app).await.unwrap() });
    let origin = format!("http://{address}");
    let registry = test_registry().await;
    let storage_root = test_storage_root("openapi_import_missing_external_snapshot");
    let service = test_service_with_external_references(
        registry.clone(),
        storage_root.clone(),
        vec![format!("{origin}/")],
    );
    let workspace_id = WorkspaceId::new("ws_default");
    let preview = service
        .preview_openapi_import(
            &workspace_id,
            OpenApiUpload {
                bytes: format!(
                    r#"
openapi: 3.1.0
info: {{ title: External integrity }}
servers: [{{ url: https://api.example.test }}]
paths:
  /items:
    get:
      operationId: listItems
      responses:
        '200':
          description: ok
          content: {{ application/json: {{ schema: {{ $ref: '{origin}/schemas.yaml#/Item' }} }} }}
"#
                )
                .into_bytes(),
                mime_type: "application/yaml".to_owned(),
                locale: OpenApiUploadLocale::En,
            },
        )
        .await
        .unwrap();
    let job = registry
        .get_import_job(&workspace_id, &preview.job_id.as_str().into())
        .await
        .unwrap()
        .unwrap();
    let dependency_source_id = job.preview_payload["dependencies"][0]["source_id"]
        .as_str()
        .unwrap();
    sqlx::query(
        "update artifact_sources
            set lifecycle = 'detached', updated_at = now(), detached_at = now()
          where workspace_id = $1 and source_id = $2",
    )
    .bind(workspace_id.as_str())
    .bind(dependency_source_id)
    .execute(registry.pool())
    .await
    .unwrap();

    assert!(
        service
            .create_openapi_import(
                &workspace_id,
                &preview.job_id.as_str().into(),
                OpenApiImportCreatePayload {
                    selected_operation_keys: vec!["GET /items".to_owned()],
                    server_url: None,
                    conflict_mode: "skip".to_owned(),
                },
            )
            .await
            .is_err()
    );
    assert!(
        service
            .list_operations(&workspace_id)
            .await
            .unwrap()
            .is_empty()
    );
    assert_failed_job_and_detached_sources(
        &registry,
        &workspace_id,
        &preview.job_id.as_str().into(),
        "import_dependency_verification_failed",
    )
    .await;

    let corrupt_preview = service
        .preview_openapi_import(
            &workspace_id,
            OpenApiUpload {
                bytes: format!(
                    r#"
openapi: 3.1.0
info: {{ title: Corrupt external integrity }}
servers: [{{ url: https://api.example.test }}]
paths:
  /items:
    get:
      operationId: listItemsCorrupt
      responses:
        '200':
          description: ok
          content: {{ application/json: {{ schema: {{ $ref: '{origin}/schemas.yaml#/Item' }} }} }}
"#
                )
                .into_bytes(),
                mime_type: "application/yaml".to_owned(),
                locale: OpenApiUploadLocale::En,
            },
        )
        .await
        .unwrap();
    let corrupt_job = registry
        .get_import_job(&workspace_id, &corrupt_preview.job_id.as_str().into())
        .await
        .unwrap()
        .unwrap();
    let dependency_ref: crank_artifacts::ArtifactRef = corrupt_job.preview_payload["dependencies"]
        [0]["digest"]
        .as_str()
        .unwrap()
        .parse()
        .unwrap();
    let dependency_path = storage_root
        .join("sha256")
        .join(&dependency_ref.digest_hex()[..2])
        .join(dependency_ref.digest_hex());
    std::fs::set_permissions(
        &dependency_path,
        std::os::unix::fs::PermissionsExt::from_mode(0o600),
    )
    .unwrap();
    std::fs::write(&dependency_path, b"corrupt external dependency").unwrap();
    std::fs::set_permissions(
        &dependency_path,
        std::os::unix::fs::PermissionsExt::from_mode(0o400),
    )
    .unwrap();

    assert!(
        service
            .create_openapi_import(
                &workspace_id,
                &corrupt_preview.job_id.as_str().into(),
                OpenApiImportCreatePayload {
                    selected_operation_keys: vec!["GET /items".to_owned()],
                    server_url: None,
                    conflict_mode: "skip".to_owned(),
                },
            )
            .await
            .is_err()
    );
    assert_failed_job_and_detached_sources(
        &registry,
        &workspace_id,
        &corrupt_preview.job_id.as_str().into(),
        "import_dependency_verification_failed",
    )
    .await;
}

#[tokio::test]
#[serial]
async fn external_materialization_uses_one_wall_clock_timeout_and_cleans_cancelled_sources() {
    let fetches = Arc::new(AtomicUsize::new(0));
    let root_fetches = Arc::clone(&fetches);
    let child_fetches = Arc::clone(&fetches);
    let app = Router::new()
        .route(
            "/root.yaml",
            get(move || {
                let fetches = Arc::clone(&root_fetches);
                async move {
                    fetches.fetch_add(1, Ordering::SeqCst);
                    "Item: { $ref: './slow-child.yaml#/Item' }"
                }
            }),
        )
        .route(
            "/slow-child.yaml",
            get(move || {
                let fetches = Arc::clone(&child_fetches);
                async move {
                    fetches.fetch_add(1, Ordering::SeqCst);
                    tokio::time::sleep(std::time::Duration::from_secs(1)).await;
                    "Item: { type: object, properties: { id: { type: string } } }"
                }
            }),
        );
    let listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap();
    let address = listener.local_addr().unwrap();
    tokio::spawn(async move { axum::serve(listener, app).await.unwrap() });
    let origin = format!("http://{address}");

    let registry = test_registry().await;
    let outbound_policy = crank_runtime::OutboundHttpPolicy::allowing_hosts(["127.0.0.1"]);
    let runtime = crank_runtime::community_with_outbound_policy(outbound_policy.clone()).build();
    let service = AdminServiceBuilder::new(
        registry.clone(),
        test_storage_root("openapi_import_chain_timeout"),
        test_auth_settings(),
        test_secret_crypto(),
        runtime,
    )
    .with_external_reference_import(&crank_config::ExternalReferenceSettings {
        allowed_url_prefixes: vec![format!("{origin}/")],
        max_depth: 8,
        max_documents: 32,
        max_fetch_bytes: 64 * 1024,
        fetch_timeout_ms: 200,
        max_expanded_nodes: 10_000,
    })
    .unwrap()
    .with_outbound_http_policy(outbound_policy)
    .build();
    let workspace_id = WorkspaceId::new("ws_default");
    let started = tokio::time::Instant::now();
    let preview = service
        .preview_openapi_import(
            &workspace_id,
            OpenApiUpload {
                bytes: format!(
                    r#"
openapi: 3.1.0
info: {{ title: Timed chain }}
servers: [{{ url: https://api.example.test }}]
paths:
  /items:
    get:
      operationId: timedItems
      responses:
        '200':
          description: ok
          content: {{ application/json: {{ schema: {{ $ref: '{origin}/root.yaml#/Item' }} }} }}
"#
                )
                .into_bytes(),
                mime_type: "application/yaml".to_owned(),
                locale: OpenApiUploadLocale::En,
            },
        )
        .await
        .unwrap();
    assert!(started.elapsed() < std::time::Duration::from_millis(800));
    assert_eq!(fetches.load(Ordering::SeqCst), 2);
    let job = registry
        .get_import_job(&workspace_id, &preview.job_id.as_str().into())
        .await
        .unwrap()
        .unwrap();
    assert_eq!(
        job.preview_payload["dependencies"]
            .as_array()
            .unwrap()
            .len(),
        0
    );

    for _ in 0..100 {
        let active_dependencies: i64 = sqlx::query_scalar(
            "select count(*) from artifact_sources
              where source_id like 'src_openapi_dep_%' and lifecycle = 'active'",
        )
        .fetch_one(registry.pool())
        .await
        .unwrap();
        if active_dependencies == 0 {
            break;
        }
        tokio::time::sleep(std::time::Duration::from_millis(10)).await;
    }
    let detached_dependencies: i64 = sqlx::query_scalar(
        "select count(*) from artifact_sources
          where source_id like 'src_openapi_dep_%' and lifecycle = 'detached'",
    )
    .fetch_one(registry.pool())
    .await
    .unwrap();
    assert_eq!(detached_dependencies, 1);
}

#[tokio::test]
#[serial]
async fn expired_job_detaches_primary_and_external_dependency_without_orphan() {
    let app = Router::new().route(
        "/schemas.yaml",
        get(|| async { "Item: { type: object, properties: { id: { type: string } } }" }),
    );
    let listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap();
    let address = listener.local_addr().unwrap();
    tokio::spawn(async move { axum::serve(listener, app).await.unwrap() });
    let origin = format!("http://{address}");
    let registry = test_registry().await;
    let service = test_service_with_external_references(
        registry.clone(),
        test_storage_root("openapi_import_external_expiry"),
        vec![format!("{origin}/")],
    );
    let workspace_id = WorkspaceId::new("ws_default");
    let preview = service
        .preview_openapi_import(
            &workspace_id,
            OpenApiUpload {
                bytes: format!(
                    r#"
openapi: 3.1.0
info: {{ title: Expiring external }}
servers: [{{ url: https://api.example.test }}]
paths:
  /items:
    get:
      operationId: listItems
      responses:
        '200':
          description: ok
          content: {{ application/json: {{ schema: {{ $ref: '{origin}/schemas.yaml#/Item' }} }} }}
"#
                )
                .into_bytes(),
                mime_type: "application/yaml".to_owned(),
                locale: OpenApiUploadLocale::En,
            },
        )
        .await
        .unwrap();
    sqlx::query("update import_jobs set expires_at = now() - interval '1 second' where id = $1")
        .bind(preview.job_id.as_str())
        .execute(registry.pool())
        .await
        .unwrap();
    let report = registry.cleanup_expired_import_jobs(16).await.unwrap();
    assert_eq!(report.deleted_jobs, 1);
    assert_eq!(report.detached_sources, 2);
    let active_sources: i64 = sqlx::query_scalar(
        "select count(*) from artifact_sources
          where source_id like 'src_openapi_%' and lifecycle = 'active'",
    )
    .fetch_one(registry.pool())
    .await
    .unwrap();
    assert_eq!(active_sources, 0);
}
#[tokio::test]
#[serial]
async fn exact_v2_contract_replays_persisted_preview_without_v3_or_dependency_reads() {
    let registry = test_registry().await;
    let service = test_service(
        registry.clone(),
        test_storage_root("openapi_import_v2_compatibility"),
        test_auth_settings(),
        test_secret_crypto(),
    );
    let workspace_id = WorkspaceId::new("ws_default");
    let preview = service
        .preview_openapi_import(&workspace_id, openapi_upload())
        .await
        .unwrap();
    let job_id: crank_registry::ImportJobId = preview.job_id.as_str().into();
    let missing_dependency = serde_json::json!([{
        "source_id": "src_openapi_dep_v2_must_not_be_read",
        "digest": format!("sha256:{}", "0".repeat(64)),
        "canonical_uri": "https://schemas.example.test/v2.yaml"
    }]);
    sqlx::query(
        "update import_jobs
            set preview_payload = jsonb_set(
                jsonb_set(
                    jsonb_set(
                        jsonb_set(
                            preview_payload,
                            '{normalization,normalizer_version}',
                            to_jsonb('normalized-ir-v2'::text)
                        ),
                        '{normalization,projection_version}',
                        to_jsonb('preview-v2'::text)
                    ),
                    '{normalization,ir_fingerprint}',
                    to_jsonb($1::text)
                ),
                '{dependency_snapshots}',
                $2::jsonb
            )
          where id = $3",
    )
    .bind("a".repeat(64))
    .bind(missing_dependency)
    .bind(job_id.as_str())
    .execute(registry.pool())
    .await
    .unwrap();

    let result = service
        .create_openapi_import(
            &workspace_id,
            &job_id,
            OpenApiImportCreatePayload {
                selected_operation_keys: vec!["GET /v2/latest".to_owned()],
                server_url: Some("https://api.frankfurter.dev".to_owned()),
                conflict_mode: "skip".to_owned(),
            },
        )
        .await
        .unwrap();
    assert_eq!(result.created.len(), 1);
    let completed = registry
        .get_import_job(&workspace_id, &job_id)
        .await
        .unwrap()
        .unwrap();
    assert_eq!(completed.status, ImportJobStatus::Completed);
}